Radio Shack PRO-106 - Scanner Setup; Setting Battery Type; Charging Batteries; External Power

BPF
Attenuator
D1,D2
RF Amp
Q7
RF Amp
Q3,Q4
1st Mix
IC2
2nd Mix
Q9
2nd IF Amp
Q10
Noise Amp
IC6a
Ceramic
Filter
CF1
AGC Amp
Q11
AM/FM
Switching
IC9a,9b,10a,10d
Pre Amp
IC8a
Mute
IC10b,Q32
Audio Amp
IC12
Voltage
Regulator
IC11
Voltage
Regulator
IC13
Regulator Switching
IC14
DC-DC
Converter
IC5
AGC Amp
Q8
Switching
Q5,Q6
Switching
Q2
Band Select
Att. Control
IC1
Switching
Q21
VCO1
Q20
VCO2
Q22
Switching
Q23
Buffer
Amp
Q24
PLL
IC4
Low-Pass
Filter
Q25,Q26
Buffer
Amp
Q30
VCO3
Q29
Low-Pass
Filter
Q27,Q28
LCD
Keyboard
CPU
IC307
Voltage
Detector
IC303
Memory
IC301
SAME Data
Filter
IC306c,d
WX Alert Data
Filter
IC306a,b
HiSpeed Data
Filter
IC305a
Low Speed
Data Filter
IC304,305b
Charger
Q33,34,35,36
IC4
3rd IF Amp Noise Amp
3rd Local Mixer
Quadrature Detector
IC7
Buffer Amp
IC8b
SQ
VOL
PWR
PC/IF
J301
Ni-cd
Batt
x4
Batt
AAx4
DC 9V
J1
J2
J3
Speaker
Power SW
Ceramic
Filter
CF2
Filter
Switching
Q31
25-54MHz
108-225MHz 225-406MHz 406-512MHz
764-1300MHz
1st IF
XF 1
2nd IF
21.4MHz
XF 2
X2
20.945MHz
455kHz
3.3V
12.75MHz
X 1
11.0592MHz
X301
Data
PLL
Power
SW
SQ IN
Filter SW
/AM/Digital
FM
Mute
Keytone
3.3V
a Dat
Cont.Data
VR6b VR6a
1st
Local
2nd
Local
Zeromatic
Switching
Q1
Switching
Q14,D23
Switching
Q13,Q17
2nd IF Amp
Q15,Q16
Detector,
Comparator
D27,28,IC3
2 SQ
B+ (3.3V)
LED Driver
Q301,302
303,305,306
LED
Reset
Q304
Switching
Q12
ont.
Scan C
Search Cont.
LD
Switching
Q18,Q19
Power Save Cont.
ANT
DSP
IC310
Flash
Memory
IC311
CODEC
IC313
Voltage
Regulator
IC309
Voltage
Regulator
IC308
Shift
Resister
IC312
3rd Local
Swithing
IC9c,9d
C
o
n
3r
d
L
o
ca
l
t.
ce
Voi
X302
18.432MHz
BLOCK DIAGRAM
4
TCXO